JPS59155035A - Heat-insulating waterproof cloth - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an insulating waterproof fabric, more specifically, an insulating suit to be worn when working on a frigid coast, on a ship, or other places where there is a risk of being exposed to water spray or falling onto the water surface; This invention relates to an insulating waterproof fabric suitable for manufacturing waterproof clothing, cold-resistant clothing, etc.

The crews and workers of fishing boats and other work vessels operating in the Northern and Southern Oceans or near these extremely cold regions wear cold-resistant clothing with a high degree of insulation and work in the cold. However, it is preferable that such cold-resistant clothing not only be used to simply withstand the cold, but also to protect one's life should one accidentally fall into the frigid sea. In other words, since the temperature in these oceans is usually close to 0°C, if you are not wearing highly insulated and waterproof cold-resistant clothing, you can die from heart attack or other symptoms in about 3 minutes. Are known.

In the case of a shipwreck in such extremely cold seas, it is known that if you can survive for about 30 minutes, you are several times more likely to be rescued. Development is desired.

Up until now, fabrics with such a high degree of insulation and waterproofness have not been developed, and when working in extremely cold regions such as those mentioned above, it is necessary to prepare thermal clothing and waterproof clothing separately and overlap them. It was common to wear them.

However, waterproof clothing severely impedes mobility due to its waterproof nature and cannot eliminate the discomfort caused by sweating, so it is almost never worn all the time. Therefore, in cases of accidental falls into the sea, extremely high levels of water seeped into the clothing, often resulting in death in a very short period of time.

For this reason, it has heat insulation, dehumidification and waterproof properties,
There is a need for the development of an insulating waterproof fabric that can be worn all the time and has excellent mobility.

The present invention was developed in view of these circumstances, and has superior heat insulation properties, dehumidification properties, and waterproof properties compared to conventional products.
It is an object of the present invention to provide a heat-insulating waterproof fabric that can be used regularly and has good mobility.

Therefore, the heat-insulating waterproof fabric according to the present invention is characterized by laminating a waterproof layer having a dehumidifying complementary layer for dehumidification on the inside, and a heat-insulating layer having a complementary layer inside for supplementing the heat-insulating effect.

According to the heat insulating waterproof fabric according to the present invention, the waterproof layer and the heat insulating layer are overlapped, and each waterproof layer and the heat insulating layer are provided with a complementary layer that complements their effects.
It is possible to obtain a heat-insulating waterproof fabric that has excellent heat-insulating properties and is always worn and has good mobility.

The present invention will be explained in more detail.

As shown in FIG. 1 as a specific example, the heat insulating waterproof fabric according to the present invention effectively dehumidifies the waterproof layer 1 (including cases with some moisture permeability) inside the waterproof layer 1. A dehumidifying complementary layer 2 is provided, and a heat insulating complementary layer 4 is provided inside the heat insulating layer 3 to supplement the heat insulating effect of the heat insulating layer 3. That is, the heat insulation complementary layer 4 and the dehumidification complementary layer 2
is sandwiched between a waterproof layer 1 and a heat insulating layer 2.

(1) Waterproof layer and dehumidification complementary layer As is clear from FIG. It has the same effect as breathable waterproof fabric.

The base fabric of the waterproof layer 1 may be any fabric that has been conventionally used as this type of breathable waterproof fabric, such as nylon, Tetron, vinylon, etc.
Synthetic fibers such as acrylic or blends of these fibers,
It may be made of fabric or a combination thereof. Further, the form of the fabric is not limited either, and may be, for example, any form of non-woven fabric, woven fabric, or knitted fabric.

The thickness of the fabric 10 may be any thickness suitable for the purpose of use, but it is required to be flexible. This is because if the thickness is large and the composition is large, the weight becomes too large, workability deteriorates, and the movement of the sewn product is impaired.

Waterproof resin layer 1 laminated on this fabric 10 via adhesive
1 has air permeability (moisture permeability) due to its fine pores. 2kg/cI+! This guarantees the above waterproof properties. That is, the micropores provided in the waterproof resin layer 11 allow steam or air to pass therethrough, but do not allow water to pass therethrough.

Such waterproof resin layer 11 is not limited in the present invention. For example, neoprene rubber sponge,
It can be a waterproof resin layer made of lightweight, highly foamed synthetic rubber such as urethane sponge. The thickness of this waterproof resin layer is preferably 0.02 to 0.1 mm. If it is less than 0.02fi1, sufficient waterproofness cannot be expected; This is because if it exceeds IN, it becomes too heavy and stiff, deteriorating maneuverability and causing problems in workability.

Next, a dehumidification complementary layer 2 formed inside this waterproof layer 1
As is clear from FIG. 1, the first complementary layer 20 provided inside the waterproof resin layer 11 of the waterproof layer 1, the heat transfer layer 21 inside this first complementary layer 20, and this heat transfer layer 21 It consists of a second complementary layer 22 inside.

The materials for the first complementary layer 20 and the second complementary layer 21 are not essentially limited, but may be water-repellent fibers such as cotton, synthetic fibers, or nonwoven fabrics. The second complementary layer 22 is slightly thicker than the first complementary layer 20 (and the texture is also slightly rougher than a normal non-woven fabric). is also a thin film made of heat conductive materials, such as plastic, aluminum-deposited plastic,
It is manufactured from metal foil such as aluminum or tin. This heat transfer layer 21 has permeation holes 210 in millimeters.
have.

The thickness of the first complementary JW20 is preferably 0.5 to 1
It is 11m. If it is less than 0.5, the waterproof resin layer 11
If it exceeds 111I11, the heat transfer of the cold air from the outside to the heat transfer layer 21 will be poor, and the water film will easily form, and the entire insulating waterproof fabric will become too thick. This is because it is stiff and lacks maneuverability.

Further, the thickness of the second complementary layer 22 is preferably 2 to 4
It is better to be fi. If it is less than 2fi, there is a risk that sweat condenses on the inside of the heat transfer layer 21 and water becomes a water film that does not flow downward, and if it exceeds 4fi, the entire layer becomes thick. This is because there is a risk that if it is too large, it will have the disadvantage of lacking in maneuverability.

Furthermore, the thickness of the heat transfer layer 21 is preferably 0.01
m to 0.025 m is preferable. If it is less than 0.01 m, there is a risk of mechanical damage due to movement, while if it exceeds 0.025 tx, it is likely to cause scratches due to rigidity, and there is a risk of causing the disadvantage of tearing from the periphery of the permeation hole 210. Because there is.

The reason why the waterproofing layer N1 and the dehumidifying complementary layer 2 having the above-mentioned configurations are used as the waterproof portion of the heat-insulating waterproof fabric will be described below.

The waterproof resin layer 11 of the waterproof layer 1 is a material that either allows or does not allow gaseous moisture to pass through, as described above, but in any case, it does not allow liquid moisture to pass through.
Fabric 10 outside this waterproof resin layer 11 that comes into contact with the outside air
If outside air and water penetrate into the fabric 10, if the outside air is sufficiently low temperature, condensation will occur in the fabric 10.

In such a situation, even if the waterproof resin layer 11 has micropores, it will not allow moisture to pass through from the inside, as in the case where the waterproof resin layer 11 does not have micropores.

Under no circumstances is it desirable for moisture to remain trapped inside winter clothing. In such a situation, moisture from the inside first passes through the second complementary layer 22, which is a comparatively coarse fiber layer and nonwoven fabric layer, and hits the heat transfer layer 21. Since the heat transfer layer 21 is made of a material with relatively good heat transfer properties as described above, it is considerably cooled by the outside air through the thin layer 1f20, so that it is not in a saturated state. The moisture in the heat transfer layer 21 becomes supersaturated, and the heat transfer layer 21
Condensation occurs on the surface of the second complementary layer 22 side. Therefore, moisture generated by sweating is dehumidified and temporarily stays in the second complementary layer 22.

Note that when the size of the water droplets condensed on the heat transfer layer 21 becomes large, the water droplets flow downward through the second complementary layer and stay at the hem of the garment.

In this way, moisture generated due to sweating etc. is removed to a saturated state at the temperature of the heat transfer layer 21, while moisture that has passed through the permeation holes 210 of the heat transfer layer 21 and entered the first complementary layer 20 is removed. It is cooled on the outer surface of the heat transfer layer 21 and on the inner side of the waterproof resin layer 11, and the supersaturated water vapor is condensed on the fiber surface of the first complementary layer 20.

Furthermore, the surface temperatures of the waterproof resin layer 11 and the heat transfer layer 21 are as follows:
A drop in temperature is prevented by the temperature released when moisture condenses, and the condensation occurs before reaching the waterproof resin layer 11. Therefore, water does not condense in the micropores and moisture permeable holes 210 of the waterproof resin layer 11 and the heat transfer layer 21, and clogging of the micropores and moisture permeable holes 210 can be prevented.

Note that the first complementary layer 20 functions to uniformly transfer the temperature of the outside air to the entire heat transfer layer 21, while the second complementary layer 22 functions to uniformly transfer the temperature of the outside air to the entire heat transfer layer 21, while the second complementary layer 22 acts to uniformly transfer the temperature of the outside air to the entire heat transfer layer 21. It has the effect of

(2) Heat Insulation Layer 3 and Heat Insulation Complementary Layer 4 As is clear from FIG. The fiber layer 310 is covered with a soft cloth 311 having a coarse weave and sewn into a quilted structure.

The fiber layer is not limited in the present invention,
For example, it can be made of hygroscopic cotton. Further, the old body 311 covering this fiber layer 310 is not limited in the present invention, and for example, a soft cloth (such as a thin knitted cloth or a gauze-like woven cloth) can be used.

The thickness of this quilting layer 31 is preferably 10 to 2
It is 0M. This is because if it is less than 10 U, the heat insulation and heat retention properties will not be sufficient, while if it exceeds 20 W, there is a possibility that there will be a drawback that the mobility and processability will be poor.

Due to its quilted structure, the quilted layer 31 regulates the movement of air within the fiber layer 310 and helps keep body temperature warm, and also automatically adsorbs and releases moisture due to sweat as appropriate, thereby preventing rapid changes in humidity. It has regulating and alleviating effects.

The outside of the quilting layer 31, that is, the lining 30 closer to the human body, may be any material that has been conventionally used as a lining. Preferably, a material with low hygroscopicity is used. For example, a very thin stiff fiber spun cloth or woolen cloth can be used.

The heat insulation supplement N4 provided inside the heat insulation layer 3 is a layer made of a cloth with a slight ventilation resistance, such as a soft and dense nonwoven fabric.1. prevents moist air from the quilting layer 31 from moving at high speed in the direction of the outside air as a result of partial deformation due to movement, i.e. resists ventilation;
Alternatively, by changing the direction, the heat transfer from the human body to the outside air per unit time is reduced, and heat retention is improved.

For example, fibrous activated carbon cotton may be mixed into this heat-insulating supplementary layer 4 in order to remove odor components contained in sweat.

The thickness of this heat-insulating complementary layer 4 is preferably 1 to 2 mm. If it is less than 1f1, ventilation resistance, heat insulation, and heat retention properties will not be sufficient, while if it exceeds 211, partial deformation of the quilting will become large, which may result in poor mobility and workability. Because there is.

An adsorption layer 5 is optionally provided between the heat insulation layer 3 and the heat insulation supplementary layer 40.
may be provided. This adsorption layer N5 is a layer for removing odorous components contained in sweat.

Next, examples of the present invention will be described.

Example: An adhesive is applied to one side of a nylon fiber fabric 10, and then a waterproof resin layer made of urethane resin with a thickness of 0.02 μ is adhered to form a waterproof layer 1. A first dehumidifying complementary layer 2 made of polyester nonwoven fabric is added to the resin layer 11.
0 (thickness: 0.811 m), aluminum foil heat transfer layer 21 (thickness: 0.015 m), and polyester second dehumidification supplementary layer 22 (thickness: 3 °C m), and waterproof layer 1 and dehumidification layer It was set as complementary layer 2.

Next, a 2n-thick heat-insulating supplementary layer 4, an adsorption layer 5, and a 12-mm-thick quilting layer 31 made of polyester nonwoven fabric were laminated on the waterproof part, and a lining 30 was attached to form a heat-insulating part. .

The fiber layer 310 of the quilting layer 31 was made of cotton fiber.

The thermal conductivity of the heat insulating waterproof fabric thus produced was measured as follows.

The measurements were carried out in a plastic cylindrical container (diameter 70 cm, length l), which was placed in a water tank at 0°C and was covered watertight with an insulating waterproof cloth manufactured as described above to maintain an internal temperature of around 36°C.
QQcm (approximately the thickness of a human wrist or ankle) was submerged in the cylinder, and the temperature change inside the cylinder was measured over a certain period of time.

The heat flux obtained by converting the temperature change into heat amount is human body heat radiation f10
It was close to 0WH.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a specific example of the present invention. DESCRIPTION OF SYMBOLS 1... Waterproof layer, 2... Dehumidification supplementary layer, 3... Heat insulation layer, 4... Heat insulation supplementary layer, 11... Waterproof resin layer, 20...
...First complementary layer, 21... Heat transfer layer, 22... Second complementary layer, 31... Quilting layer. Applicant's agent Masaaki Amemiya Proceedings amendment (self-support) 1 Indication of the case 1981 Petition No. 021276 2, -
4 Name of Ming Insulating waterproof fabric 3 Relationship with the person making the amendment case iimo, cow 1 singer address Token 1. Park I6 River width Nishi Gobunda 2-chome li
t, "No. 20 4, Agent 6 Number of inventions increased by amendment (1) 10th line 1 from the top of 4 咄袢 α5] "Thick and sweet) 11/
, is big: Ha to,'' is changed to ``1 minute's return...t is to a friend,''
Correct 1 and 2 characters. (2);April, 2nd floor from 10 Doomi 11
・4. I, ) jq “Go+Gi textile spun cloth” [, exclusively by Katanari
Make two moves with IE. Procedural amendment (addressed to BA, Showa 5, June 1, 1999, 1999, 1995). Relationship with Patent Applicant Furigana Address Mr. 0, 2-11 Nishigotanda, Parts Ward, Tokyo
Name (Name) (517) Fujikura Rubber Industries Co., Ltd. 4.
agent

Claims (2)

[Claims] (1) A heat insulating waterproof fabric characterized by laminating a waterproof layer having a dehumidifying complementary layer for dehumidification on the inside and a heat insulating layer having a complementary layer on the circular side to complement the heat insulating effect. (2) The dehumidification complementary layer includes a first complementary layer, a heat transfer layer, and a second
The insulating waterproof fabric according to claim 1, characterized in that complementary layers are sequentially laminated.